Packaging tray



FIG. 1 is a top plan view of a packaging tray showing my new design;

FIG. 2 is a bottom plan view;

FIG. 3 is a side elevational view, the opposite side being identical thereto; and

FIG. 4 is an end elevational view, the opposite end being identical thereto. 

The ornamental design for a packaging tray, as shown. 